fix: 视频持久化、会话排序、重命名等多项修复

- 修复视频 URL 存入会话数据，切换/重启不丢失
- 保存时从磁盘重载会话列表，消除内存缓存不一致
- 会话列表按 updatedAt 降序，最新在顶部
- 会话标题自动加序号区分同名
- 角色库和场景库支持重命名
- 尾帧保存时弹窗命名
- DeepSeek 仅脚本模式可用，生图模式过滤
- Seedance 2.0 适配，支持 return_last_frame
- 图片下载改用 https.get 避免 IPC 序列化问题
- 脚本模式工具栏仅显示对话+视频模型

Co-Authored-By: Claude <noreply@anthropic.com>

src/main/doubao.ts

@@ -384,18 +384,17 @@ export async function createVideoTask(
   const content: Record<string, unknown>[] = []
   const isV2 = model.includes('2-0') || model.includes('2.0')
 
-  // 首帧图：场景图优先，否则用第一个角色图
-  const frameUrl = firstFrameUrl || (refUrls && refUrls.length > 0 ? refUrls[0] : '')
-  if (frameUrl) {
-    const resolved = resolveImageUrl(frameUrl)
+  // 首帧：仅场景图（让视频从该场景开始），不填则 AI 自由生成
+  if (firstFrameUrl) {
+    const resolved = resolveImageUrl(firstFrameUrl)
     if (resolved) content.push({ type: 'image_url', image_url: { url: resolved }, role: 'first_frame' })
   }
 
-  // 参考图：仅 2.0 支持
+  // 角色参考图：仅 2.0 支持 reference_image，告诉 AI 角色长啥样
   if (isV2 && refUrls) {
     for (const refUrl of refUrls) {
       const resolved = resolveImageUrl(refUrl)
-      if (resolved && resolved !== resolveImageUrl(frameUrl)) {
+      if (resolved) {
         content.push({ type: 'image_url', image_url: { url: resolved }, role: 'reference_image' })
       }
     }
@@ -406,7 +405,7 @@ export async function createVideoTask(
   const response = await fetch('https://ark.cn-beijing.volces.com/api/v3/contents/generations/tasks', {
     method: 'POST',
     headers: { 'Content-Type': 'application/json', 'Authorization': 'Bearer ' + apiKey },
-    body: JSON.stringify({ model, content, duration: durationSec, resolution, generate_audio: false })
+    body: JSON.stringify({ model, content, duration: durationSec, resolution, generate_audio: false, return_last_frame: true })
   })
 
   if (!response.ok) {
@@ -434,6 +433,7 @@ export async function pollVideoTask(taskId: string): Promise<{ status: string; v
   return {
     status: result.status,
     videoUrl: result.content?.video_url,
+    lastFrameUrl: result.last_frame_url || '',
     duration: result.duration,
     resolution: result.resolution
   }

src/main/ipc-handlers.ts

@@ -2,8 +2,8 @@ import { ipcMain } from 'electron'
 import {
   getApiKeys, getUiApiKeys, getConfigFileApiKeys,
   setApiKey, deleteApiKey, openConfigFile, getConfigPath, getEndpoints,
-  getCharacters, saveCharacter, deleteCharacter,
-  getScenes, saveScene, deleteScene,
+  getCharacters, saveCharacter, deleteCharacter, renameCharacter,
+  getScenes, saveScene, deleteScene, renameScene,
   getDataDir, getImagesDir, setDataDir, openFolder, pickFolder,
   getSessions, getSession, saveSession, deleteSession,
   downloadImage, readImageBase64, imagesDir
@@ -49,6 +49,7 @@ export function registerIpcHandlers(): void {
     })
   })
   ipcMain.handle('characters:delete', (_e, id) => wrap(() => { deleteCharacter(id); return { success: true } }))
+  ipcMain.handle('characters:rename', (_e, id, newName) => wrap(() => { renameCharacter(id, newName); return { success: true } }))
 
   // === 场景库 ===
   ipcMain.handle('scenes:getAll', () => wrap(() => getScenes()))
@@ -61,6 +62,7 @@ export function registerIpcHandlers(): void {
     })
   })
   ipcMain.handle('scenes:delete', (_e, id) => wrap(() => { deleteScene(id); return { success: true } }))
+  ipcMain.handle('scenes:rename', (_e, id, newName) => wrap(() => { renameScene(id, newName); return { success: true } }))
 
   // === 图片 ===
   ipcMain.handle('image:readBase64', (_e, path: string) => {

src/main/store.ts

@@ -208,6 +208,15 @@ export function deleteCharacter(id: string): void {
   writeInternal(data)
 }
 
+export function renameCharacter(id: string, newName: string): void {
+  const data = readInternal()
+  const chars = data.characters || []
+  if (chars.some(c => c.name === newName && c.id !== id)) throw new Error('角色「' + newName + '」已存在')
+  const c = chars.find(c => c.id === id)
+  if (c) c.name = newName
+  writeInternal(data)
+}
+
 // ===== 场景库 =====
 
 export function getScenes(): StoredScene[] {
@@ -231,6 +240,15 @@ export function deleteScene(id: string): void {
   writeInternal(data)
 }
 
+export function renameScene(id: string, newName: string): void {
+  const data = readInternal()
+  const sc = data.scenes || []
+  if (sc.some(s => s.name === newName && s.id !== id)) throw new Error('场景「' + newName + '」已存在')
+  const s = sc.find(s => s.id === id)
+  if (s) s.name = newName
+  writeInternal(data)
+}
+
 export function getDataDir(): string {
   return baseDir()
 }
@@ -362,7 +380,7 @@ export function readImageBase64(localPath: string): string {
 // ===== 会话管理 =====
 
 export function getSessions(): ChatSession[] {
-  return readInternal().sessions || []
+  return (readInternal().sessions || []).sort((a, b) => b.updatedAt.localeCompare(a.updatedAt))
 }
 
 export function getSession(id: string): ChatSession | undefined {

src/preload/index.ts

@@ -22,11 +22,13 @@ contextBridge.exposeInMainWorld('electronAPI', {
   getCharacters: () => ipcRenderer.invoke('characters:getAll'),
   saveCharacter: (c) => ipcRenderer.invoke('characters:save', c),
   deleteCharacter: (id) => ipcRenderer.invoke('characters:delete', id),
+  renameCharacter: (id, newName) => ipcRenderer.invoke('characters:rename', id, newName),
 
   // 场景库
   getScenes: () => ipcRenderer.invoke('scenes:getAll'),
   saveScene: (s) => ipcRenderer.invoke('scenes:save', s),
   deleteScene: (id) => ipcRenderer.invoke('scenes:delete', id),
+  renameScene: (id, newName) => ipcRenderer.invoke('scenes:rename', id, newName),
 
   // 图片
   readImageBase64: (path: string) => ipcRenderer.invoke('image:readBase64', path),

src/renderer/src/env.d.ts

@@ -60,10 +60,12 @@ interface ElectronAPI {
   getCharacters: () => Promise<StoredCharacter[]>
   saveCharacter: (char: StoredCharacter) => Promise<StoredCharacter>
   deleteCharacter: (id: string) => Promise<void>
+  renameCharacter: (id: string, newName: string) => Promise<void>
 
   getScenes: () => Promise<StoredScene[]>
   saveScene: (scene: StoredScene) => Promise<StoredScene>
   deleteScene: (id: string) => Promise<void>
+  renameScene: (id: string, newName: string) => Promise<void>
 
   readImageBase64: (path: string) => Promise<string>
 
@@ -77,7 +79,7 @@ interface ElectronAPI {
   splitNovel: (novelText: string) => Promise<{ title: string; content: string }[]>
   generateScript: (novelText: string, duration: number, style?: string, model?: string) => Promise<string>
   createVideo: (prompt: string, duration: number, resolution: string, model?: string, firstFrameUrl?: string, refUrls?: string[]) => Promise<string>
-  pollVideo: (taskId: string) => Promise<{ status: string; videoUrl?: string; duration?: number; resolution?: string }>
+  pollVideo: (taskId: string) => Promise<{ status: string; videoUrl?: string; lastFrameUrl?: string; duration?: number; resolution?: string }>
 }
 
 interface Window {

src/renderer/src/views/CharactersPage.vue

@@ -32,6 +32,7 @@
           <p class="char-desc">{{ previewDesc(char.description) }}</p>
           <div class="char-footer">
             <span class="char-date">{{ formatDate(char.createdAt) }}</span>
+            <el-button size="small" text @click="handleRename(char)">重命名</el-button>
             <el-button size="small" type="danger" text @click="handleDelete(char)">删除</el-button>
           </div>
         </div>
@@ -105,6 +106,21 @@ async function load() {
   }
 }
 
+async function handleRename(char: StoredCharacter) {
+  try {
+    const r = await ElMessageBox.prompt('新名称', '重命名角色', { inputValue: char.name, confirmButtonText: '确定' })
+    const name = r.value.trim()
+    if (!name || name === char.name) return
+    await window.electronAPI.renameCharacter(char.id, name)
+    char.name = name
+    ElMessage.success('已重命名')
+  } catch (e: unknown) {
+    const msg = e instanceof Error ? e.message : ''
+    if (msg.includes('已存在')) ElMessage.warning(msg)
+    else if (msg && !msg.includes('cancel')) ElMessage.error('重命名失败')
+  }
+}
+
 async function handleDelete(char: StoredCharacter) {
   try {
     await ElMessageBox.confirm(`确定删除「${char.name}」？`, '确认删除')

src/renderer/src/views/HomePage.vue

@@ -127,6 +127,17 @@
               </div>
             </div>
 
+            <!-- 视频：每条消息独立展示，不能在 imageUrl 条件内 -->
+            <div v-if="msg.videoUrl || (videoResult && i === messages.length - 1)" class="video-result" style="margin-top:8px">
+              <video v-if="msg.videoUrl || videoResult?.videoUrl" :src="msg.videoUrl || videoResult?.videoUrl" controls style="max-width:100%;max-height:300px;border-radius:8px" />
+              <el-button v-if="msg.videoUrl || videoResult?.videoUrl" size="small" type="success" style="margin-top:8px" @click="saveLastFrame((msg.videoUrl || videoResult?.videoUrl)!)">
+                保存尾帧到场景库
+              </el-button>
+            </div>
+            <div v-if="msg.videoTaskId && !msg.videoUrl && !videoResult" style="font-size:12px;color:#999;margin-top:4px">
+              视频任务: {{ msg.videoTaskId }}
+            </div>
+
             <!-- 脚本模式：视频生成控制（不在 imageUrl 条件内） -->
             <div v-if="mode === 'script' && msg.role === 'assistant' && i === messages.length - 1" class="script-actions">
                 <el-divider />
@@ -174,13 +185,6 @@
                     </el-button>
                   </div>
 
-                  <!-- 视频结果 -->
-                  <div v-if="videoResult" class="video-result">
-                    <video v-if="videoResult.videoUrl" :src="videoResult.videoUrl" controls style="max-width:100%;max-height:300px;border-radius:8px" />
-                    <el-button v-if="videoResult.videoUrl" size="small" type="success" style="margin-top:8px" @click="saveLastFrame(videoResult.videoUrl!)">
-                      保存尾帧到场景库
-                    </el-button>
-                  </div>
                 </div>
               </div>
             </div>
@@ -251,6 +255,8 @@ interface Message {
   text: string
   imageUrl?: string
   saved?: boolean
+  videoTaskId?: string
+  videoUrl?: string
 }
 
 // ===== 状态 =====
@@ -270,7 +276,7 @@ const generatingVideo = ref(false)
 const videoTaskId = ref('')
 const videoResolution = ref('720p')
 const videoModel = ref('doubao-seedance-2-0-fast-260128')
-const videoResult = ref<{ videoUrl?: string } | null>(null)
+const videoResult = ref<{ videoUrl?: string; lastFrameUrl?: string } | null>(null)
 const selectedSceneImage = ref('')
 const mappedCharacter = ref('')
 const characterList = ref<StoredCharacter[]>([])
@@ -325,9 +331,12 @@ const suggestions = [
 // ===== 会话管理 =====
 let autoSaveTimer: ReturnType<typeof setTimeout> | null = null
 
-/** 生成会话标题（取第一条用户消息） */
+/** 生成会话标题（加序号区分同名） */
 function makeTitle(text: string): string {
-  return text.length > 30 ? text.slice(0, 30) + '...' : text
+  const base = text.length > 30 ? text.slice(0, 30) + '...' : text
+  // 统计同名会话数，追加序号
+  const sameCount = sessions.value.filter(s => s.title.startsWith(base)).length + 1
+  return sameCount > 1 ? base + ` (#${sameCount})` : base
 }
 
 /** 格式化会话时间显示 */
@@ -335,8 +344,7 @@ function formatSessionTime(iso: string): string {
   const d = new Date(iso)
   const now = new Date()
   const pad = (n: number) => String(n).padStart(2, '0')
-  const time = `${pad(d.getHours())}:${pad(d.getMinutes())}`
-  // 今天的只显示时间，非今天的加日期
+  const time = `${pad(d.getHours())}:${pad(d.getMinutes())}:${pad(d.getSeconds())}`
   if (d.toDateString() === now.toDateString()) return time
   return `${d.getMonth() + 1}/${d.getDate()} ${time}`
 }
@@ -358,13 +366,28 @@ async function switchSession(id: string) {
   }
   if (id === currentSessionId.value) return
   currentSessionId.value = id
-  const s = sessions.value.find(x => x.id === id)
+  // 从后端重新加载最新数据
+  const all = await window.electronAPI.getSessions()
+  sessions.value = all
+  const s = all.find(x => x.id === id)
   if (s) {
     messages.value = s.messages.map(m => ({ ...m }))
     mode.value = s.mode as Mode
     currentStyle.value = s.style || 'anime'
     chatModel.value = s.chatModel
     imageModel.value = s.imageModel
+    // 恢复视频状态
+    videoResult.value = null
+    videoTaskId.value = ''
+    const lastMsg = messages.value[messages.value.length - 1]
+    if (lastMsg?.videoUrl) {
+      videoResult.value = { videoUrl: lastMsg.videoUrl, lastFrameUrl: (lastMsg as Record<string,unknown>).lastFrameUrl as string || '' }
+      videoTaskId.value = lastMsg.videoTaskId || ''
+    } else if (lastMsg?.videoTaskId) {
+      // 有任务 ID 但没 URL，自动查询状态
+      videoTaskId.value = lastMsg.videoTaskId
+      await pollVideoTask(lastMsg)
+    }
   }
   await scrollToBottom()
 }
@@ -388,27 +411,33 @@ async function handleDeleteSession(s: ChatSession) {
 async function saveCurrentSession(options?: { title?: string }): Promise<string | undefined> {
   if (messages.value.length === 0) return
 
-  // 从第一条用户消息取标题
   const firstUser = messages.value.find(m => m.role === 'user')
   const title = options?.title || (firstUser ? makeTitle(firstUser.text) : '新会话')
 
   const now = new Date().toISOString()
+  const sid = currentSessionId.value || (Date.now().toString(36) + Math.random().toString(36).slice(2, 10))
+  const existing = sessions.value.find(s => s.id === sid)
+  const msgCount = messages.value.length
+
+  // 内容没变不更新时间（避免浏览时乱排）
+  const shouldUpdate = !existing || existing.messages.length !== msgCount
+  const updatedAt = shouldUpdate ? now : (existing?.updatedAt || now)
+
   const session: ChatSession = {
-    id: currentSessionId.value || (Date.now().toString(36) + Math.random().toString(36).slice(2, 6)),
+    id: sid,
     title,
     mode: mode.value,
     style: currentStyle.value,
     chatModel: chatModel.value,
     imageModel: imageModel.value,
     messages: JSON.parse(JSON.stringify(messages.value)),
-    createdAt: currentSessionId.value ? (sessions.value.find(s => s.id === currentSessionId.value)?.createdAt || now) : now,
-    updatedAt: now
+    createdAt: existing?.createdAt || now,
+    updatedAt
   }
 
   await window.electronAPI.saveSession(session)
   currentSessionId.value = session.id
-
-  // 刷新会话列表
+  // 每次保存都从磁盘重载，保证数据一致
   sessions.value = await window.electronAPI.getSessions()
   return session.id
 }
@@ -430,7 +459,7 @@ async function sendMessage() {
   // 如果是新会话的第一条消息，创建会话并生成标题
   if (messages.value.length === 0) {
     // 先保存一个空会话，让用户能切走
-    const tempId = Date.now().toString(36) + Math.random().toString(36).slice(2, 6)
+    const tempId = Date.now().toString(36) + Math.random().toString(36).slice(2, 10)
     currentSessionId.value = tempId
     await window.electronAPI.saveSession({
       id: tempId,
@@ -561,26 +590,36 @@ async function startVideoGeneration(msg: Message) {
 
   generatingVideo.value = true
   videoResult.value = null
+  const sid = currentSessionId.value // 记录当前会话，防止切换后污染
   try {
     videoTaskId.value = await window.electronAPI.createVideo(prompt, videoDuration.value, videoResolution.value, videoModel.value, firstFrameUrl, refUrls)
+    msg.videoTaskId = videoTaskId.value
+    // 立刻存 taskId
+    await saveCurrentSession()
     ElMessage.success('视频任务已创建: ' + videoTaskId.value)
-    await pollForVideo()
+    await pollForVideo(sid, msg)
   } catch (e: unknown) {
     ElMessage.error(e instanceof Error ? e.message : '视频生成失败')
   } finally {
     generatingVideo.value = false
+    if (currentSessionId.value === sid) await saveCurrentSession()
   }
 }
 
-async function pollForVideo() {
+async function pollForVideo(sessionId: string, msg: Message) {
   if (!videoTaskId.value) return
   const maxPolls = 40
   for (let i = 0; i < maxPolls; i++) {
     await new Promise(r => setTimeout(r, 5000))
+    if (currentSessionId.value !== sessionId) return
     try {
       const result = await window.electronAPI.pollVideo(videoTaskId.value)
       if (result.status === 'succeeded') {
-        videoResult.value = result
+        if (currentSessionId.value === sessionId) videoResult.value = result
+        // 立即存到消息和会话，绝不丢失
+        msg.videoUrl = result.videoUrl
+        msg.videoTaskId = videoTaskId.value
+        await saveCurrentSession()
         ElMessage.success('视频生成完成!')
         return
       }
@@ -590,7 +629,7 @@ async function pollForVideo() {
       }
     } catch { /* retry */ }
   }
-  ElMessage.warning('视频生成超时，请稍后查询')
+  if (currentSessionId.value === sessionId) ElMessage.warning('视频生成超时，请稍后查询')
 }
 
 async function checkVideoStatus() {
@@ -608,19 +647,50 @@ async function checkVideoStatus() {
   }
 }
 
+/** 从已保存的 taskId 恢复视频 URL */
+async function pollVideoTask(msg: Message) {
+  if (!msg.videoTaskId) return
+  try {
+    const result = await window.electronAPI.pollVideo(msg.videoTaskId)
+    if (result.status === 'succeeded' && result.videoUrl) {
+      msg.videoUrl = result.videoUrl
+      if (result.lastFrameUrl) (msg as Record<string,unknown>).lastFrameUrl = result.lastFrameUrl
+      videoResult.value = { videoUrl: result.videoUrl, lastFrameUrl: result.lastFrameUrl }
+      await saveCurrentSession()
+    }
+  } catch { /* 稍后重试 */ }
+}
+
 async function saveLastFrame(videoUrl: string) {
   try {
-    const name = '视频尾帧_' + Date.now().toString(36)
+    let lfUrl = videoResult.value?.lastFrameUrl || ''
+    // 没尾帧 URL，尝试从任务查询
+    if (!lfUrl && videoTaskId.value) {
+      try {
+        const r = await window.electronAPI.pollVideo(videoTaskId.value)
+        lfUrl = r.lastFrameUrl || ''
+        if (lfUrl && videoResult.value) videoResult.value.lastFrameUrl = lfUrl
+      } catch {}
+    }
+    if (lfUrl) {
+      let name = '视频尾帧_' + Date.now().toString(36)
+      try {
+        const r = await ElMessageBox.prompt('给尾帧起个名字', '保存尾帧', { inputValue: name, confirmButtonText: '保存' })
+        if (r.value.trim()) name = r.value.trim()
+      } catch { return }
       await window.electronAPI.saveScene({
         id: Date.now().toString(36) + Math.random().toString(36).slice(2, 6),
         name,
         description: '视频生成尾帧 | 任务ID: ' + videoTaskId.value,
-      imageUrl: videoUrl + '?return_last_frame=true',
+        imageUrl: lfUrl,
         createdAt: new Date().toISOString()
       })
       ElMessage.success('尾帧已保存到场景库')
+    } else {
+      ElMessage.warning('此视频未生成尾帧，请等待下次视频完成后再保存')
+    }
   } catch (e: unknown) {
-    ElMessage.error('保存失败，请尝试手动截图')
+    ElMessage.error('保存失败: ' + (e instanceof Error ? e.message : ''))
   }
 }
 

src/renderer/src/views/ScenesPage.vue

@@ -27,6 +27,7 @@
           <p class="scene-desc">{{ previewDesc(scene.description) }}</p>
           <div class="scene-footer">
             <span class="scene-date">{{ formatDate(scene.createdAt) }}</span>
+            <el-button size="small" text @click="handleRename(scene)">重命名</el-button>
             <el-button size="small" type="danger" text @click="handleDelete(scene)">删除</el-button>
           </div>
         </div>
@@ -96,6 +97,21 @@ async function load() {
   }
 }
 
+async function handleRename(scene: StoredScene) {
+  try {
+    const r = await ElMessageBox.prompt('新名称', '重命名场景', { inputValue: scene.name, confirmButtonText: '确定' })
+    const name = r.value.trim()
+    if (!name || name === scene.name) return
+    await window.electronAPI.renameScene(scene.id, name)
+    scene.name = name
+    ElMessage.success('已重命名')
+  } catch (e: unknown) {
+    const msg = e instanceof Error ? e.message : ''
+    if (msg.includes('已存在')) ElMessage.warning(msg)
+    else if (msg && !msg.includes('cancel')) ElMessage.error('重命名失败')
+  }
+}
+
 async function handleDelete(scene: StoredScene) {
   try {
     await ElMessageBox.confirm(`确定删除「${scene.name}」？`, '确认删除')